MESON Chess Problem Database

Problem Display
PID: 73922 (8/3BK2p/3R3P/4B1kP/8/7R/8/8 w - - 0 1)

Petzold, Gerhard

Mainzer Allgemeine Zeitung, 1993

8/3BK2p/3R3P/4B1kP/8/7R/8/8

#2

7 + 2

6113 Problemschach-Jahrbuch (1993) 1994
5454 Near Snap 2010

SOLUTION

  • SOUND
  • Tries
    • 1.Bf6+?
      • 1...Kf4
        • 2.Rd4#
      • 1...Kxh6!
    • 1.Re6?
      • 1...Kg4
        • 2.Rg6#
      • 1...Kf5!
  • Keys
    • 1.Ke6!
      • 1...Kg4
        • 2.Kf6#
      • 1...Kxh6
        • 2.Kf5#

Anticipated by 2409(1904)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Vars
        • K(a);S_FLIGHT::R(D)
      • Refutation
        • K(a);S_FLIGHT,XP(E)
    • Try
      • R(D);
      • Vars
        • K(a);P-FLIGHT::B(F)+R(D),DCHECK
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • K(G);P-FLIGHT
    • Vars
      • K(a);P-FLIGHT::B(F)+K(G)
      • K(a);S_FLIGHT,XP(E)::R(D)+K(G)
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